17,50 x 15,00mm; Thickness: 1,60mm; Ø: 1,80mm; Sterling hopea (AG-925)
A=7,00 mm; B=6,30 mm; C=1,90 mm; D=1,60 mm, sterling hopea (AG-925)
A=20,00 mm; B=6,00 mm: C=1,50 mm, sterling hopea (AG-925)